sex in the stacks

sex in the library between stacks of books.

Chris and Kelley were looking for something kinky, so they decided to have sex in the stacks.

by bsmaster December 28, 2008

Sex Stack

A position in a threesome where a guy is on the bottom fucking a guy who is simultaneously fucking someone else

Last Night, Harvey, Amy, and I were in a sex stack.

by Bozzzzz October 5, 2023